630799 has 4 divisors (see below), whose sum is σ = 679336. Its totient is φ = 582264.

The previous prime is 630797. The next prime is 630803. The reversal of 630799 is 997036.

630799 = T₃₀₅ + T₃₀₆ + ... + T₃₁₇.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630799 - 2¹ = 630797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24249 + ... + 24274.

It is an arithmetic number, because the mean of its divisors is an integer number (169834).

2⁶³⁰⁷⁹⁹ is an apocalyptic number.

630799 is a deficient number, since it is larger than the sum of its proper divisors (48537).

630799 is a wasteful number, since it uses less digits than its factorization.

630799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48536.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 630799 is about 794.2285565251. The cubic root of 630799 is about 85.7624143728.

The spelling of 630799 in words is "six hundred thirty thousand, seven hundred ninety-nine".